US3248874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Erosion resistant liner for hot fluid containers
Assignee: Individual
•
Filing: 1963-12-10
•
Granted: 1966-05-03
•
Expires: 1983-12-10
Abstract
No abstract record available.
Inventors
- 👤 Lawrence F Grina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:54
CPC Classifications
C; C06; C06B; C06B21/00; F; F02; F02K; F02K9/00; F02K9/97; F02K9/974
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A ROCKET MOTOR CONTAINER THROUGH WHICH FLOWS A VERY HIGH TEMPERATURE GAS COMPRISING: AN OUTER TUBULAR CASING; AN INNER TUBULAR LINER THROUGH WHICH FLOWS THE HOT GAS; AN INSULATION TUBULAR LINER COMPOSED OF MATERIAL HAVING DECOMPOSABLE CHARACTERISTICS UNDER NORMAL ROCKET OPERATING CONDITIONS, SAID INSULATION LINER BEING CONCENTRICALLY DISPOSED BETWEEN THE INNER LINER FOR PROTECTING THE OUTER CASING FROM THE HEAT AND SUPPORTING THE INNER LINER; SAID INNER LINER COMPRISING A PLURALITY OF WEDGEDSHAPED SEGMENTS PARTIALLY NESTED IN SUCCESSION ONE WITHIN THE OTHER; SAID INSULATION LINER SUPPORTING EACH WEDGED-SHAPED SEGMENT TO PROVIDE A CLEARANCE BETWEEN ADJACENT
Claim 2
Dependent Claim
95 words
A ROCKET MOTOR CONTAINER THROUGH WHICH FLOWS A VERY HIGH TEMPERATURE GAS COMPRISING: AN OUTER TUBULAR CASING; AN INNER TUBULAR LINER THROUGH WHICH FLOWS THE HOT GAS; AN INSULATION TUBULAR LINER COMPOSED OF MATERIAL HAVING DECOMPOSABLE CHARACTERISTICS UNDER NORMAL ROCKET OPERATING CONDITIONS, SAID INSULATION LINER BEING CONCENTRICALLY DISPOSED BETWEEN THE INNER LINER FOR PROTECTING THE OUTER CASING FROM THE HEAT AND SUPPORTING THE INNER LINER; SAID INNER LINER COMPRISING A PLURALITY OF WEDGEDSHAPED SEGMENTS PARTIALLY NESTED IN SUCCESSION ONE WITHIN THE OTHER; SAID INSULATION LINER SUPPORTING EACH WEDGED-SHAPED SEGMENT TO PROVIDE A CLEARANCE BETWEEN ADJACENT
References Cited (Backward Citations)
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US3022190A
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US3133411A
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US3142960A
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US3156091A
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US3137998A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-02 | 1969-11-01 | 1970-05-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-02 | 1973-11-01 | 1974-05-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-02 | 1977-11-01 | 1978-05-03 | $7700.00 | Window Closed / Lapsed |